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Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. Please give me a few minutes to look up the specs for your unit. I’ll be back as soon as I have the info I need.

You won't get this message at 120 even 130. Do you have a dedicated pump for the Boiler mate or a zone valve to control flow from the boiler?

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Customer reply replied 7 months ago

I have a unsolved boilermate problem...this keeps over heating and gives me a er2 code signal. I decrease the temp setting from 120 to 115 and is still a issue. this don't happen constantly but when it does it's 3am I'm in the morning

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.